From 912bc8b903dfa6d438c2469ecdad35c181c71830 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Mon, 25 Jan 2021 21:29:12 +0100
Subject: Improving usability, massive refactoring.

* Moving all Drools code into their own modules. This fixes ri-engine
  to acme dependency.
* Now they all inherit from their own parent, should be used by
  third party code too.
* Separating acme planning code into its own module.
* Splitting rules code from ri-engine into ri-base. ri-engine is now
  a pure launcher for modules.
* Dumping kogito for the most part, but it seems like the planner still
  requires that.
---
 .../rules/engine/JinjavaTemplateEngine.java        | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 module/ri-engine/src/main/java/io/trygvis/rules/engine/JinjavaTemplateEngine.java

(limited to 'module/ri-engine/src/main/java/io/trygvis/rules/engine/JinjavaTemplateEngine.java')

diff --git a/module/ri-engine/src/main/java/io/trygvis/rules/engine/JinjavaTemplateEngine.java b/module/ri-engine/src/main/java/io/trygvis/rules/engine/JinjavaTemplateEngine.java
new file mode 100644
index 0000000..42b2127
--- /dev/null
+++ b/module/ri-engine/src/main/java/io/trygvis/rules/engine/JinjavaTemplateEngine.java
@@ -0,0 +1,40 @@
+package io.trygvis.rules.engine;
+
+import ch.qos.logback.core.util.FileUtil;
+import com.hubspot.jinjava.Jinjava;
+import org.apache.commons.io.FileUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Map;
+
+public class JinjavaTemplateEngine implements TemplateEngine {
+    private final Jinjava jinjava = new Jinjava();
+
+    private final File basedir;
+
+    public JinjavaTemplateEngine(File basedir) {
+        this.basedir = basedir;
+    }
+
+    @Override
+    public void clean() {
+        try {
+            System.out.println("Cleaning gen!");
+            FileUtils.deleteDirectory(basedir);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void template(String name, String output, Map<String, Object> params) throws IOException {
+        var template = Files.readString(Path.of("j2", name + ".j2"));
+        String renderedTemplate = jinjava.render(template, params);
+        var f = new File(basedir, output);
+        FileUtil.createMissingParentDirectories(f);
+        Files.writeString(f.toPath(), renderedTemplate);
+    }
+}
-- 
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